Laytime & Demurrage Calculator
Calculate laytime used, time remaining or exceeded, estimated demurrage and despatch. Use Simple mode when you already know the countable time, or Advanced mode to calculate countable laytime from commencement, completion and excluded or partially counted periods.
Laytime Allowance
Enter the allowed laytime and the actual countable time under your charterparty calculation.
Rates
Rates are converted to hourly values using 24 hours per day.
Laytime Window
Enter the point at which laytime begins to count and the operation completion time. The tool starts with all elapsed time counting, then applies the adjustment periods below.
Excluded / Partially Counted Periods
Add weather stoppages, Sundays/holidays, shifting, breakdowns or any other period after you determine how the charterparty treats it. Overlapping periods are handled automatically, with the lowest counting percentage controlling the overlap.
Laytime Results
Simple calculation